###          
                ##..##         
               ##....##        
  ####          ......#        
 ##..######    ##.....#        
##....##..## ###......##       
#..........###.........#       
#.∩.∩.......#..........#       
#.......##....##.......#       
##....#####..####.....##       
 ##..##   #### #......#        
  ####         ##....##        
                ##...#     ### 
                 ##..##   ##.##
                  ##..#  ##...#
                   #..####..W.#
                   #...#...#W.#
                   ##.....##..#
                    ##...###.##
                     ######..# 
                        ##..## 
                        #...#  
                       #...##  
                      #...##   
                     #...##    
                     #..#      
                     ...       
                    ...#       
                   ####